Chapter 3PL/SQL Basics
Syntax and rules govern what you can and cannot do in PL/SQL. While following syntax and programming standards alone do not make a program good, failure to understand the rules of the language can certainly make a program bad. In this chapter, we discuss the basic principles of the language, including
PL/SQL block structure
Variable declarations
Literals, characters, and reserved words
Data types available for PL/SQL
Wrapper ...
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